<?php

namespace app\admin\controller;

use app\admin\model\AdminLog;
use app\common\controller\Backend;
use fast\Random;
use think\Config;
use think\Db;
use think\Hook;
use think\Session;
use think\Validate;

/**
 * 后台首页
 * @internal
 */
class Index extends Backend
{

    protected $noNeedLogin = ['login', 'register'];
    protected $noNeedRight = ['index', 'logout'];
    protected $layout      = '';

    public function _initialize()
    {
        parent::_initialize();
        //移除HTML标签
        $this->request->filter('trim,strip_tags,htmlspecialchars');
    }

    /**
     * 后台首页
     */
    public function index()
    {
        $cookieArr = ['adminskin' => "/^skin\-([a-z\-]+)\$/i", 'multiplenav' => "/^(0|1)\$/", 'multipletab' => "/^(0|1)\$/", 'show_submenu' => "/^(0|1)\$/"];
        foreach ($cookieArr as $key => $regex) {
            $cookieValue = $this->request->cookie($key);
            if (!is_null($cookieValue) && preg_match($regex, $cookieValue)) {
                config('fastadmin.' . $key, $cookieValue);
            }
        }
        //左侧菜单
        [$menulist, $navlist, $fixedmenu, $referermenu] = $this->auth->getSidebar([
            'dashboard' => 'hot',
            'addon'     => ['new', 'red', 'badge'],
            'auth/rule' => __('Menu'),
        ], $this->view->site['fixedpage']);
        $action = $this->request->request('action');
        if ($this->request->isPost()) {
            if ($action == 'refreshmenu') {
                $this->success('', null, ['menulist' => $menulist, 'navlist' => $navlist]);
            }
        }
        $this->assignconfig('cookie', ['prefix' => config('cookie.prefix')]);
        $this->view->assign('menulist', $menulist);
        $this->view->assign('navlist', $navlist);
        $this->view->assign('fixedmenu', $fixedmenu);
        $this->view->assign('referermenu', $referermenu);
        $this->view->assign('title', __('Home'));
        return $this->view->fetch();
    }

    /**
     * 管理员登录
     */
    public function login()
    {
        $url = $this->request->get('url', '', 'url_clean');
        $url = $url ?: 'index/index';
        if ($this->auth->isLogin()) {
            $this->success(__("You've logged in, do not login again"), $url);
        }
        //保持会话有效时长，单位:小时
        $keeyloginhours = 24;
        if ($this->request->isPost()) {
            $username  = $this->request->post('username');
            $password  = $this->request->post('password', '', null);
            $keeplogin = $this->request->post('keeplogin');
            $token     = $this->request->post('__token__');
            $rule      = [
                'username'  => 'require|length:3,30',
                'password'  => 'require|length:3,30',
                '__token__' => 'require|token',
            ];
            $data      = [
                'username'  => $username,
                'password'  => $password,
                '__token__' => $token,
            ];
            if (Config::get('fastadmin.login_captcha')) {
                $rule['captcha'] = 'require|captcha';
                $data['captcha'] = $this->request->post('captcha');
            }
            $validate = new Validate($rule, [], ['username' => __('Username'), 'password' => __('Password'), 'captcha' => __('Captcha')]);
            $result   = $validate->check($data);
            if (!$result) {
                $this->error($validate->getError(), $url, ['token' => $this->request->token()]);
            }
            AdminLog::setTitle(__('Login'));
            $result = $this->auth->login($username, $password, $keeplogin ? $keeyloginhours * 3600 : 0);
            if ($result === true) {
                Hook::listen("admin_login_after", $this->request);
                $this->success(__('Login successful'), $url, ['url' => $url, 'id' => $this->auth->id, 'username' => $username, 'avatar' => $this->auth->avatar]);
            } else {
                $msg = $this->auth->getError();
                $msg = $msg ? $msg : __('Username or password is incorrect');
                $this->error($msg, $url, ['token' => $this->request->token()]);
            }
        }

        // 根据客户端的cookie,判断是否可以自动登录
        if ($this->auth->autologin()) {
            Session::delete("referer");
            $this->redirect($url);
        }
        $background = Config::get('fastadmin.login_background');
        $background = $background ? (stripos($background, 'http') === 0 ? $background : config('site.cdnurl') . $background) : '';
        $this->view->assign('keeyloginhours', $keeyloginhours);
        $this->view->assign('background', $background);
        $this->view->assign('title', __('Login'));
        Hook::listen("admin_login_init", $this->request);
        return $this->view->fetch();
    }

    /**
     * 退出登录
     */
    public function logout()
    {
        if ($this->request->isPost()) {
            $this->auth->logout();
            Hook::listen("admin_logout_after", $this->request);
            $this->success(__('Logout successful'), 'index/login');
        }
        $html = "<form id='logout_submit' name='logout_submit' action='' method='post'>" . token() . "<input type='submit' value='ok' style='display:none;'></form>";
        $html .= "<script>document.forms['logout_submit'].submit();</script>";

        return $html;
    }

    public function register()
    {
        if ($this->request->isPost()) {
            $params = [
                'username'  => $this->request->post('username'),
                'email'     => $this->request->post('email'),
                'mobile'    => $this->request->post('mobile'),
                'password'  => $this->request->post('password'),
                '__token__' => $this->request->post('__token__'),
            ];
            $rule   = [
                'username'  => 'require|length:3,30',
                'password'  => 'require|length:3,30',
                '__token__' => 'require|token',
            ];
            $data   = [
                'username'  => $params['username'],
                'password'  => $params['password'],
                '__token__' => $params['__token__'],
            ];
            if (Config::get('fastadmin.login_captcha')) {
                $rule['captcha'] = 'require|captcha';
                $data['captcha'] = $this->request->post('captcha');
            }
            $validate = new Validate($rule, [], ['username' => __('Username'), 'password' => __('Password'), 'captcha' => __('Captcha')]);
            $result   = $validate->check($data);
            if (!$result) {
                $this->error($validate->getError(), '', ['token' => $this->request->token()]);
            }

            Db::startTrans();
            try {
                if (!Validate::is($params['password'], '\S{6,30}')) {
                    exception(__("Please input correct password"));
                }
                $model           = model('Admin');
                $model->username = $params['username'];
                $model->email    = $params['email'];
                $model->mobile   = $params['mobile'];
                $model->nickname = '用户_' . date('ymdHis');
                $model->salt     = Random::alnum();
                $model->password = $this->auth->getEncryptPassword($params['password'], $model->salt);
                $model->avatar   = '/assets/img/avatar.png'; //设置新管理员默认头像。
                $result          = $model->validate('Admin.add')->save();
                if ($result === false) {
                    exception($model->getError());
                }
                $dataset   = [];
                // 默认角色组ID 2为注册的管理员用户
                $dataset[] = ['uid' => $model->id, 'group_id' => 2];
                model('AuthGroupAccess')->saveAll($dataset);
                Db::commit();
            } catch (\Exception $e) {
                Db::rollback();
                $this->error($e->getMessage(), '', ['token' => $this->request->token()]);
            }
            $this->success(__('Register successful'), 'index/login', ['url' => 'index/login']);
        }
        $this->view->assign('title', __('Register'));
        return $this->view->fetch();
    }

}
